* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #3333;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

nav {
    background: #444;
    color: #3333;
    padding: 0.5rem 0;
}

nav ul {
    list-style: none;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 1rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}


h1{
    color: #50b3a2;
}





table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: center;
}

img.aaa, img.aaaa {
    float: left;
    margin-right: 20px;
    margin-bottom: 10px;
}

h3 {
    
    color: #333;
}

p {
    color: #333;
    margin-bottom: 10px;
}

img{
    float: left;
    height: 200px;
}

.box2{
    background-color: white;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    height: 600px;
}



.box1 {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 40px;
}

header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #3333;
}

header h1 {
    margin: 0;
    font-size: 2em;
    color: #50b3a2;
}

.content {
    padding: 20px 0;
}

.content p {
    font-size: 1.2em;
    line-height: 1.6em;
    margin: 20px 0;
}

.content h2 {
    font-size: 1.5em;
    margin-top: 30px;
    color: #50b3a2;
}

ul {
    list-style: disc;
    margin-left: 20px;
}

li {
    margin: 10px 0;
}

.priklad {
    margin-top: 20px;
}

.box {
    width: 48%;
    padding: 20px;
    background-color: #e2e8f0;
    margin-bottom: 10px;
    border-radius: 5px;
}

.float-left {
    float: left;
}

.float-right {
    float: right;
}

.clear-both {
    clear: both;
}

footer {
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
    border-top: 2px solid #eee;
}

footer p {
    margin: 0;
    font-size: 1em;
    color: #777;
}